Exercises: 1. A full-wave bridge rectifier isolated from the 220 V rms power line by a transform Assuming the diode voltage drops are 0.7 V. i. What turns ratio should the transformer have in order to produce an average current of 1 A in a 10 2 load? ii. What is the average current in each diode under the conditions of (i)? iii. What minimum PIV rating should each diode have? in How much is diecinoted by gach diodo?

Exercises: 1. A full-wave bridge rectifier isolated from the 220 V rms power line by a transform Assuming the diode voltage drops are 0.7 V. i. What turns ratio should the transformer have in order to produce an average current of 1 A in a 10 2 load? ii. What is the average current in each diode under the conditions of (i)? iii. What minimum PIV rating should each diode have? in How much is diecinoted by gach diodo?

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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The full-wave rectiﬁer ias shown is operating at a frequency of 60 Hz, and the rms value of the transformer output voltage is 18 V. (a) What is the value of the dc output voltage if the diode voltage drop is 1 V? (b) What is the minimum value of C required to maintain the ripple voltage to less than 0.25 V if R = 0.5 Ω? (c) What is the PIV rating of the diode in this circuit? (d) What is the surge current when power is ﬁrst applied? (e) What is the amplitude of the repetitive current in the diode?
A 3.3-V, 30-A dc power supply is to be designed with a ripple of less than1.5percent. Assume that a half-wave rectiﬁer circuit (60 Hz) with a capacitor ﬁlter is used. (a) What is the size of the ﬁlter capacitor C? (b)What is the PIV rating for the diode? (c)What is the rms value of the transformer voltage needed for the rectiﬁer?(d) What is the value of the peak repetitive diode current in the diode? (e) What is the surge current at t =0+?
) Determine the reading obtained withaDC voltmeter at RB when the switch is set at point B. b) Determine the reading at thesame RBusing ½ wave and Full wave rectifier AC meter respectively when the switch is set at point A. Given that Ifs = 100-µA and set at 10-V dc or rms range.
3.4 PRE-LABORATORY QUESTIONS 1. What is a rectifier? 2. How does a diode act as a rectifier? 3. What is the significance of PIV? What is the condition imposed on PIV? 4. What is meant by regulation? 5. What is meant by time constant? 6. What is meant by ripple factor?
Design Half-wave Rectifier Circuit to provide an output of 100 VDC. Then calculate its transformer peak voltage rating, the diode PIV rating, and the transformer turns ratio, if the power is taken from the 220V line AC supply
The half-wave rectiﬁer as shown is operating at a frequency of 60Hz, and the rms value of the transformer output voltage vI is 12.6V±10%. What are the nominal and worst case values of the dc output voltage VO if the diode voltage drop is 1V?
Determine the peak output voltage for the bridge rectifier in this figure. Assuming the practical model, what PIV rating is required for the diode? The transformer is specified to have a 12 Vrms secondary voltage for the standard 110 V across the primary.
(a)Derive the average and rms output voltages and currents for three-phase half controlled rectifier with free wheeling diode and RLE load.(b))In a single phase full converter, if output voltage has peak and average values of 325V and 133V respectively, find the firing angle.
A full-wave bridge rectifier with a 236.86V p-p sinusoidal input has a load resister of 2KΩi. Draw the wave form that the load resistor R would see. ii. Assuming diodes are ideal, what is the dc voltage available at the load resistor? iii. What is the dc voltage available at the load if silicon diodes are employed? iv. Calculate the maximum current flow through the Diode D4 during conduction.
Consider the full-wave rectifier circuit shown below, where• vS(t) is a sinusoidal signal with a peak value (Vs = 5 V).• Diodes are modelled using constant voltage model with VDO = 0.7 V• The ac line voltage has an rms value of 120 V and a frequency (f) = 60 Hza) Calculate the transformer turns ratio. b) Plot in the same graph signal vS(t) and the output signal vO(t) versus time (t) (show all details including amplitudes, time instances, etc.) c) Calculate the rms value of the output signal vO(t). (hint: sin2(x) = 0.5(1- cos(2x))) d) If a capacitor C=3.58 F is connected across R = 10 k, repeat (b) in a new graph
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What are the values of the dc output voltage and dc output current for a halfwave rectiﬁer that is being supplied from a transformer having a secondary voltage of 10 Vrms (60 Hz) and a 2-Ω load resistor? Assume the diode on voltage Von = 1 V. What value of ﬁlter capacitance is required to have a ripple voltage of no more than 0.1 V? What is the conduction angle?